/* top page
------------------------------ */
#main {
  margin-left: -150px;
  margin-right: -150px;
  height: 892px;
  overflow: hidden;
}

@media screen and (max-width: 1000px) {
  html, body {
    width: 1000px;
    overflow-x: hidden;
    height: 100%;
  }

  #mainBackground, #pageWrapper {
    height: 90%;
  }

  #main {
    margin-left: 0;
    margin-right: 0;
    height: 100%;
  }
  #main img {
    width: 1000px;
  }
}